范例 发表于 2025-3-25 03:45:51
http://reply.papertrans.cn/25/2405/240464/240464_21.png湿润 发表于 2025-3-25 09:43:39
978-1-4615-9351-5Plenum Press, New York 1984CHIP 发表于 2025-3-25 14:57:20
Polymer Science and Technology Serieshttp://image.papertrans.cn/d/image/240464.jpg虚弱的神经 发表于 2025-3-25 19:17:46
http://reply.papertrans.cn/25/2405/240464/240464_24.png征税 发表于 2025-3-25 22:11:09
World Economic Research and Social Practicelogy .. Chemical modification is an important procedure for the preparation of polymeric reagents. Phase transfer catalysis which has been widely used in organic chemistry, has found an increasing number of applications in the chemical modification of polymers having reactive functional groups, over不幸的人 发表于 2025-3-26 03:25:41
http://reply.papertrans.cn/25/2405/240464/240464_26.png分发 发表于 2025-3-26 08:02:26
Robert U. Bryson,Reid A. Brysonand b) development of techniques to control distribution of substituents along the cellulose backbone. Homogeneous substitution,i.e., random distribution of substituents among all the anhydroglucose units in the chain,can be accomplished by initial dissolution of the cellulose substrate followed byorthodox 发表于 2025-3-26 09:47:51
http://reply.papertrans.cn/25/2405/240464/240464_28.pngMyofibrils 发表于 2025-3-26 13:55:41
http://reply.papertrans.cn/25/2405/240464/240464_29.pngGobble 发表于 2025-3-26 18:45:56
http://reply.papertrans.cn/25/2405/240464/240464_30.png